Axion Estin

Axion estin (Greek: Ἄξιόν ἐστιν, Slavonic: Достóйно éсть, Dostóino yesť), or It is Truly Meet, is a megalynarion and a theotokion, i.e. a magnification of and a Hymn to Mary used in the Divine Services of the Eastern Orthodox and Byzantine Catholic churches. It consists of a troparion and a sticheron composed in honor of the Theotokos (i.e. the Virgin Mary).

Axion estin is also the name of type of icon of the Theotokos, also known as the Eleousa type, after the icon of Karyes (Mount Athos) in front of which, according to tradition, the hymn was revealed in the late 10th century. At Karyes, the icon is currently kept in the Protaton.

Icon
According to tradition, an Elder and his disciple lived in a cell on Mount Athos.